#Encendido de LEDS a las 9:15
15 9 * * * /etc/init.d/led restart
#Apagado de LEDs a las 8:15
15 20 * * * /bin/echo 0 > /sys/class/leds/soc:red:power/brightness
15 20 * * * /bin/echo 0 > /sys/class/leds/soc:red:broadband/brightness
15 20 * * * /bin/echo 0 > /sys/class/leds/soc:orange:broadband/brightness
15 20 * * * /bin/echo 0 > /sys/class/leds/soc:orange:wireless/brightness
15 20 * * * /bin/echo 0 > /sys/class/leds/soc:blue:phone/brightness
Extraído de: http://foro.seguridadwireless.net/openwrt/configuracion-de-los-leds/msg340201/#new